CuAlOdos thin films are prepared on Si or sapphire substrate by sol-gel method using two kinds of sols. In the case of acetate sol, XRD peaks of CuAlO2 observed at annealing temperature of 800-950 ?C on both Si and sapphire substrates. In contrast, in the case of the films prepared using nitrate on Si substrate, XRD peaks of CuAlO2 have been observed only at the annealing temperature of 800-850 ?C. At annealing temperature of 850?C, peaks of other species have been observed beside the CuAlO2 peaks, then, the CuAlO2 peaks disappeared at annealing temperature of 900 °C with increasing in intensity of the other peaks. Intensity of the other peaks decreased at annealing temperature of 950 ?C with appearance of broad SiO2 peak. In the present, we ascribe these peaks as metal silicide.
115 Brand new Relationships ranging from Spatial Design and you may Property Rates
House rates comes with the comprehensive features regarding metropolitan space, representing the new public and you will economic top features of the town. Properly, house price may be used due to the fact an indicator, that pick the changes from spatial structure and you will socioeconomic variations for the reason that urban development. This research made an effort to talk about the changes inside the residential property price by a separate path structure. Methodologically, it adopted Space Sentence structure, that interpret urban spatial construction adequately, to identify the relationship involving the forms of street channels and house speed. Caused by the fresh regression analysis shown the latest ‘combination list away from Area Sentence structure was mathematically extreme possesses a great good relationship which have house rate. In case your combination worthy of are highest, home price develops proportionally. After that, using regression formula, it tried to assume the newest residential property rates change of any off new lots related the brand new channels which can be newly started. The study steps otherwise investigation efficiency feel the advantageous asset of forecasting the changes in the house rate during the a great way. Additionally, it will donate to coordinators and you may venture executives to establish related polices and you may smoothing metropolitan regeneration methods because of improving residents facts by the bringing you are able to show and you can positives in their belongings speed till the execution off metropolitan regeneration and you will development systems.
114 Plasma Functions Affect Neon Tubing Plasma Antenna Overall performance
Which paper gifts the research for the show out of monopole antenna with neon hoses. In this look, the latest simulation and you will fresh strategy is carried out. The newest fluorescent tubing with different size and you can dimensions are designed using Computer Simulator Technical (CST) application additionally the attributes away from antenna parameter was simulated regarding software. CST was utilized so you can replicate antenna parameters instance get back losses, resonant frequency, gain and you can directivity. Vector Circle Analyzer (VNA) was utilized determine the latest return loss of plasma antenna when you look at the acquisition so you can validate the latest simulator show. Regarding simulator and you may test, the production frequency is decided including 1 Ghz so you’re able to 10 Ghz. The outcome reveal that the new return death of plasma antenna transform when size of fluorescent Glasgow sugar daddy dating tubes try ranged, match the various plasma characteristics. It suggests that different thinking of plasma features for example plasma frequency and accident regularity brings change results of get back losings, acquire and directivity. Toward obtain, the costs consist of 2.14 dB so you’re able to dos.step 36 dB. The newest return death of plasma antenna also offers high worthy of start around – dB so you can – dB. The higher the prices of plasma frequency and you will accident frequency, the better come back loss exists. The values gotten try comparative into antique version of metal antenna.
113 Thermal Conductivity out of Al2O3/Water-Created Nanofluids: Revisiting brand new Impacts of pH and you will Surfactant
The present work focuses on the preparation and the stabilization of Al2O3-water based nanofluids. Though they have been widely considered in the past, to the best of our knowledge, there is no clear consensus about a proper way to prepare and stabilize them by the appropriate surfactant. In this paper, a careful experimental investigation is performed to quantify the combined influence of pH and the surfactant on the stability of Al2O3-water based nanofluids. Two volume concentrations of nanoparticles and three nanoparticle sizes have been considered. The good preparation and stability of these nanofluids are evaluated through thermal conductivity measurements. The results show that the optimum value for the thermal conductivity is obtained mainly by controlling the pH of the mixture and surfactants are not necessary to stabilize the solution.